// Copyright (c) 2016, SolidCP
// SolidCP is distributed under the Creative Commons Share-alike license
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// - Redistributions of source code must  retain  the  above copyright notice, this
//   list of conditions and the following disclaimer.
//
// - Redistributions in binary form  must  reproduce the  above  copyright  notice,
//   this list of conditions  and  the  following  disclaimer in  the documentation
//   and/or other materials provided with the distribution.
//
// - Neither  the  name  of  SolidCP  nor   the   names  of  its
//   contributors may be used to endorse or  promote  products  derived  from  this
//   software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT  NOT  LIMITED TO, THE IMPLIED
// WARRANTIES  OF  MERCHANTABILITY   AND  FITNESS  FOR  A  PARTICULAR  PURPOSE  ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL,  SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO,  PROCUREMENT  OF  SUBSTITUTE  GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  HOWEVER  CAUSED AND ON
// ANY  THEORY  OF  LIABILITY,  WHETHER  IN  CONTRACT,  STRICT  LIABILITY,  OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING  IN  ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace SolidCP.Providers.FTP
{
    public class MsFTP100 : MsFTP
    {
        public MsFTP100() : base()
        {
        }

        protected override bool IsMsFTPInstalled()
        {
            int value = 0;
            RegistryKey root = Registry.LocalMachine;
            RegistryKey rk = root.OpenSubKey("SOFTWARE\\Microsoft\\InetStp");
            if (rk != null)
            {
                value = (int)rk.GetValue("MajorVersion", null);
                rk.Close();
            }

            RegistryKey ftp = root.OpenSubKey("SYSTEM\\CurrentControlSet\\Services\\ftpsvc");
            bool res = (value == 10) && ftp != null;
            if (ftp != null)
                ftp.Close();

            return res;
        }

        public override bool IsInstalled()
        {
            return IsMsFTPInstalled();
        }
    }
}
